Finding the Fourth Proportional to 2,409.39, 3,324.78 and 1,624.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,409.39 : 3,324.78 = 1,624.50 : x
2. Step 2: Convert to fraction form
   2,409.39/3,324.78 = 1,624.50/x
3. Step 3: Cross multiply
   2,409.39x = 3,324.78 × 1,624.50
4. Step 4: Simplify right side
   2,409.39x = 5,401,105.11
5. Step 5: Solve for x
   x = 5,401,105.11/2,409.39
6. Step 6: Final answer
   x = 2,241.69